Automatically maintaining wrappers for semi-structured web sources

An Approach of Extracting Web Information Based on HTMLParser

“…How to extract web information quickly and effectively becomes more and more important. HTML has been widely used to express and organize the information of web pages since the popularization of Internet [2]. It is well known that the format of HTML is not strictly defined.…”

Multiagent System for Scrutiny of Admission Forms Using Automatic Knowledge Capture

“…In [4] authors explain how wrappers are able to accept a query against the source and return a set of structured results, thus enabling applications to access web data in a similar manner to that of information from databases. A significant problem in this approach arises as Web sources may undergo changes that invalidate the current wrappers.…”

“…Firstly this agent on the basis of previous board/university wraps up the website of that board/university. Wrapping simply means controlling the website by means of code rather than by human [4]. After that it retrieves detailed record of the student from website on the basis of roll number.…”

“…In order to retrieve data from websites both form and record agent use similar technique. This technique involves wrapping the website [4] and parsing the semi-structured data in HTML and 49 niques used for creation of MASAF are discussed and in section 4.2…”

“…This technique involves wrapping the website [4] and parsing the semi Agents are created in Java Agent Development Environment (JADE). User interface of the system is provided by means of Java Enterprise Edition (Java EE) Servlets.…”